The JOS patented low-pressure rotating-vortex process. A cleaning technology which is gentle on the building and on the environment.



The subject of cleaning buildings is gaining greater and greater significance as people become more aware of the environment. Therefore the use of materials such as chemical cleaning agents which could harm the environment will become subject to greater restrictions.

The JOS patented low-pressure rotating-vortex process can be described as a kind of jet-blasting process in the broad sense of the word, but it is one which converts or transforms the energy from the jet rotating energy by means of a specially constructed nozzle. This cleaning technology is based on a low-pressure rotating vortex process and works with an extremely, low and variable, air pressure (between 0.1 and 21 psi), water qualities which can be precisely regulated within the range of 10 to 60 litres per hour, and an extremely fine granulate selected exactly to suit the low-pressure technique. The finely dispersed vortex of air, granulate and water emerging from the JOS nozzle meet the surface being cleaned so that cleaning is achieved by a scouring, rotating polishing. The JOS cleaning process uses cleaning granulates or fine powder specially selected for the individual cleaning requirements and to suit the low-pressure cleaning process. The granulate used is normally ultra-fine mineral, so that there is no need to use chemical cleaning agents of any kind.


Natural stones and mineral-based plasters are often coated over with all types of various paint minerals, and it is often impossible to remove these layers even with chemical "pickling" agents. In many of these cases it is possible to use the JOS patented low-pressure rotating-vortex process successfully.


Graffiti and other drawings on walls often represent an insoluble problem when they have to be removed, and there is no satisfactory solution using conventional methods.

The JOS patented low-pressure rotating-vortex process has proven its great value here. JOS can be used on almost all building materials, and achieves the best results.



A heavy accumulation of soot often forms during a fire, and this contains many different kinds of harmful substances such as chlorides, furans, dioxins and many others. These have to be completely removed from the various surfaces because of their toxicity. The JOS process has again shown its value here and is preferred because of its thoroughness in cleaning and low consumption of water.


Corrosive matter on bronze, brass and anodized aluminum are abraded gently away and the surface is not harmed.




The JOS patented low-pressure rotating-vortex process is the cleaning of the future because of its universal range of possible uses and its outstanding gentle cleaning performance. It eliminates completely the need to use chemicals, therefore making a major contribution to protecting the environment. A large number of companies with a sense of responsibility for the environment have already used this process successfully and greatly appreciate the advantages of this unusual physical cleaning technique.

Please contact us for our brochure and free quote.


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AUSTRALIAN STONE WORKS Pty Ltd
Head Office: NSW Ph: (02) 9695 7444 Fax: (02) 9695 7144
QLD Ph: (07) 5500 4814 Fax: (07) 5596 5543

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